4Y-9=2Y+9

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Solution for 4Y-9=2Y+9 equation:


Simplifying
4Y + -9 = 2Y + 9

Reorder the terms:
-9 + 4Y = 2Y + 9

Reorder the terms:
-9 + 4Y = 9 + 2Y

Solving
-9 + 4Y = 9 + 2Y

Solving for variable 'Y'.

Move all terms containing Y to the left, all other terms to the right.

Add '-2Y' to each side of the equation.
-9 + 4Y + -2Y = 9 + 2Y + -2Y

Combine like terms: 4Y + -2Y = 2Y
-9 + 2Y = 9 + 2Y + -2Y

Combine like terms: 2Y + -2Y = 0
-9 + 2Y = 9 + 0
-9 + 2Y = 9

Add '9' to each side of the equation.
-9 + 9 + 2Y = 9 + 9

Combine like terms: -9 + 9 = 0
0 + 2Y = 9 + 9
2Y = 9 + 9

Combine like terms: 9 + 9 = 18
2Y = 18

Divide each side by '2'.
Y = 9

Simplifying
Y = 9

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